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Lorillard Tobacco Company
Lorillard Tobacco Company, founded by Pierre Abraham Lorillard in 1760, was an American tobacco maker known for Newport and Old Gold, absorbed by Reynolds American in 2015.
Loring A. Wyllie Jr.
Loring A. Wyllie Jr. (born 1938) is an American structural engineer who spent his career at Degenkolb Engineers in San Francisco, specializing in seismic assessment and retrofit of existing buildings.
Lorne G. Everett
Lorne G. Everett is a hydrologist and subsurface-contamination engineer, chancellor of Lakehead University from 2000 to 2009, known for EPA-endorsed groundwater monitoring and cleanup methods.
Lorrie Cranor
Lorrie Faith Cranor is a Carnegie Mellon University computer scientist who pioneered usable privacy and security research and served as FTC Chief Technologist in 2016.
Lorsch Abbey
Lorsch Abbey (Kloster Lorsch) was a Benedictine imperial abbey in Lorsch, Hesse, Germany, founded around 764; its Carolingian Königshalle gatehouse is a UNESCO World Heritage Site.
Los Alamos National Laboratory
Los Alamos National Laboratory (LANL) is a U.S. Department of Energy national laboratory in Los Alamos, New Mexico, established in 1943 as Site Y of the Manhattan Project.
Los Angeles Aqueduct
The Los Angeles Aqueduct, also called the Owens Valley aqueduct, carries Sierra water 233 miles to Los Angeles; built 1907 to 1913, it supplies about 40 percent of the city's water.
Los Angeles City Hall
Los Angeles City Hall is the seat of Los Angeles municipal government, a 28-story Art Deco tower completed in 1928 that was the city's tallest building until 1957.
Los Angeles County Metropolitan Transportation Authority
The Los Angeles County Metropolitan Transportation Authority, doing business as LA Metro, is the public agency that operates bus and rail transit across Los Angeles County, created in 1993.
Los Angeles Department of Water & Power
The Los Angeles Department of Water and Power is the municipal utility of Los Angeles and the largest municipal water and power utility in the United States.
Los Angeles Department of Water and Power
The Los Angeles Department of Water and Power (LADWP) is the municipal utility of Los Angeles, serving about 4 million residents and the nation's largest municipal power system.
Los Angeles International Airport
Los Angeles International Airport, known as LAX, is the primary commercial airport for the Los Angeles area and the fifth busiest in the United States.
Los Angeles Metro Rail
Los Angeles Metro Rail, operated by the Los Angeles County Metropolitan Transportation Authority, combines subway and light rail service on six lines and 115 stations, growing since 1990.
Los Angeles refinery
Los Angeles refinery is the shared name of two large petroleum refineries in Wilmington and Carson, Los Angeles County, California; Marathon's is the largest on the West Coast.
Los Angeles Union Station
Los Angeles Union Station (LAUS), opened 1939, is the largest railroad passenger terminal in the western U.S., designed by John and Donald Parkinson in Mission Moderne style, a National Register landmark and Metro's busiest transit hub.
Los Angeles-class submarine
The Los Angeles-class submarine, also called the LA-class or 688-class, is a class of US Navy nuclear-powered attack submarines; 62 boats entered service from 1976 to 1996.
Los Azufres Geothermal Power Station
Los Azufres Geothermal Power Station (Central Geotermoeléctrica Los Azufres) is a geothermal complex in Michoacán, Mexico, operated by CFE since 1982 with a capacity of about 242 MW.
Los Cabos International Airport
Los Cabos International Airport, also called San José del Cabo Airport, is the airport serving the Los Cabos resort region at the southern tip of the Baja California peninsula.
Los Humeros Geothermal Power Station
Los Humeros Geothermal Power Station is a geothermal plant in Puebla, Mexico, operated by CFE since 1990 with an installed capacity of about 95 MW.
Los Pelambres desalination plant
A reverse osmosis seawater desalination plant at Punta Chungo port near Los Vilos, Chile, serving the Los Pelambres copper mine with 400 liters per second of industrial water.
Los Perales Oil and Gas Field
Los Perales Oil and Gas Field is a producing conventional oil and gas field in Santa Cruz province, Argentina, near Las Heras, historically operated by YPF.
Los Ramones Gas Pipeline
Los Ramones Gas Pipeline is a Mexican natural gas transmission system designed to supply central Mexico. Phase I runs from the border in Tamaulipas, and Phase II extends to Guanajuato.
Loss functions for classification
Loss functions for classification are the penalties a learning algorithm minimizes when fitting a classifier, with surrogates like log loss, hinge loss, and cross-entropy used in practice.
Loss landscape analysis in deep learning
Loss landscape analysis studies the geometry of the high-dimensional, nonconvex loss surface that neural network training minimizes, including minima, saddle points, and low-loss paths between solutions.
Loss of control in-flight
Loss of control in-flight (LOC-I) is a standard aviation accident category covering stalls, upsets, and spins where control is lost without a primary system failure.
Loss-of-coolant accident
A loss-of-coolant accident (LOCA) is a hypothetical nuclear reactor accident where coolant is lost faster than the makeup system can replace it, the design basis accident for US light-water reactor emergency cooling systems.
Lossless compression
Lossless compression, also called reversible compression or lossless encoding, is a completely reversible data reduction process used where exact data matters, such as text, executables, and scientific measurements.
Lossy compression
Lossy compression, also known as irreversible compression, shrinks digital files by permanently discarding information so the decompressed data approximates the original, mainly in images, video, and audio.
Lost Cosmonauts
Lost Cosmonauts, also known as Phantom Cosmonauts, is a conspiracy theory claiming the Soviet Union sent cosmonauts into space before Yuri Gagarin and concealed their deaths.
Lost in the middle
Lost in the middle is a positional bias in large language models where accuracy drops when relevant information sits in the middle of a long input context.